Quote:
Originally Posted by j.fro
This is great info, but I am lost on one important bit...how are you getting the ECU to add/subtract fuel from the regular programming?
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i use a piggyback fuel controller. it splices into the MAF signal. at full throttle, our cars use the MAF signal + a stored map to determine fuel. the fuel controller monkeys with the MAF reading at the ECU to trick it into adding / pulling fuel. the unit is an APEXi AFC Select. pretty slick.